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Species of Origin
Human
Expression System
Escherichia coli
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Affinity Tag
His Tag (C-term)
Storage Buffer
Lyophilized from a 0.2 µm filtered solution of PBS, pH 8.0.
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Purity
>95% as determined by SDS-PAGE analysis.
Molecular weight
The protein has a calculated MW of 7.16 kDa.
The protein migrates as 9-11 kDa under reducing condition (SDS-PAGE analysis). -
Activity
Measure by its ability to induce 3T3 cells proliferation. The ED₅₀ for this effect is < 1.0 ng/mL. The specific activity of recombinant human EGF is approximately >1.0 x 10⁶ IU/mg.
Endotoxin Level
<0.1 EU per 1 μg of the protein by the LAL method.
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Form
Lyophilized
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Specifications
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Background
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Background
Human epidermal Growth Factors (EGF) is a 6 kDa cytokine with 53 amino acid residues. EGF is mainly secreted from ectodermal cells, monocytes, kidney and duodenal glands. Upon binding to its receptor, EGFR, EGF acts to stimulate cell growth and proliferation of epithelial cells, play important roles in many developmental processes including accelerate tooth eruption, inhibits gastric acid secretion, and involve in wound healing.
Synonyms
Epidermal Growth Factors, Urogastrone, URG
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Uniprot ID
#P01133
Sequence Note
Asn971-Arg1023
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Instruction
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Reconstitution
It is recommended to reconstitute the lyophilized protein in sterile H₂O to a concentration not less than 200 μg/mL and incubate the stock solution for at least 20 min to ensure sufficient re-dissolved.
Shipping
The product is shipped with polar packs. Upon receipt, store it immediately at -20°C or lower for long term storage.
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Stability & Storage
This product is stable after storage at:
- -20°C for 12 months in lyophilized state from date of receipt.
- -20°C or -80°C for 1 month under sterile conditions after reconstitution.
Avoid repeated freeze/thaw cycles.
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Review
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Publication
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Datasheet & Documents
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Disclaimer:For Research Use or Further Manufacturing Only.